1: (0 2 16)

(0)(1 20 7 6 3)(2 18 16 21 13 5 4)(8 19 10)(9 14 11)(12 17 15)

2: (1 20 7)

(0)(1 6 3)(2 18 16 21 13 5 4)(7)(8 19 10)(9 14 11)(12 17 15)(20)

3: (5 18 13)

(0)(1 6 3)(2 18 4)(5)(7)(8 19 10)(9 14 11)(12 17 15)(13 16 21)(20)

4: (12 17 15)

(0)(1 6 3)(2 18 4)(5)(7)(8 19 10)(9 14 11)(12)(13 16 21)(15)(17)(20)